How to Fix Rear Parking Assist & Blind Spot Radar – GMC Acadia 2017–2023

2023 GMC Acadia Denali came in with multiple systems failing at the same time: ✔ Rear parking assist not working ✔ Blind spot monitoring inactive ✔ Hands-free liftgate not responding ✔ Rear keyless antenna fault ✔ GMC logo projection light dead In this video I open the rear bumper, replace the failed modules, and explain the difference between programming, calibration, and dealer-level SPS requirements. PARTS MENTIONED • Rear Parking Assist Module • Blind Spot Radar – Side Obstacle Detection • Rear Keyless Entry / Liftgate Antenna (GM 13580790) • Hands-Free Liftgate Control Module • Hands-Free Logo Projection Lamp If your GMC Acadia, Traverse, Enclave, or Terrain has these failures, this video will help you diagnose what you can fix yourself — and what must be programmed at the dealer. This video is for educational purposes only. Do repairs at your own risk. 👍 Like + Subscribe for more DIY mechanic diagnostics! 🔧 DIYMechanicPro